Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Actinopteri

Current position

Elopomorpha (Cohort) Greenwood et al., 1966

Ref: R. van der Laan, 2018: 61; Nelson et al., 2016: fig. (p. 134).

Alternative positions

Actinopteri (Class) Cope, 1871	Ref: R. van der Laan et al., 2021: (4 Feb 2025); ECoF(4 Feb 2025).
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 27.
Elopomorpha (Subdivision) Greenwood et al., 1966	Ref: J.S. Nelson, 2006: 111.

Historical positions

Elopomorpha (Cohort) Greenwood et al., 1966	Ref: R. van der Laan, 2018: 61.
Elopomorpha (Cohort) Greenwood et al., 1966	Ref: R. Betancur-R et al., 2017: 14.
Elopomorpha (Cohort) Greenwood et al., 1966	Ref: J.S. Nelson et al., 2016: 136, fig. (p. 134).
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer, 2004-2016: 24 Jan 2006.
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer & J.D. Fong, 2011: 27.
Elopomorpha (Cohort) Greenwood et al., 1966	Ref: E.O. Wiley & G.D. Johnson, 2010: 126, 131.
Elopomorpha (Subdivision) Greenwood et al., 1966	Ref: J.S. Nelson, 2006: 111.
Actinopterygii (Class) Woodward, 1891	Ref: 1998
Actinopterygii (Class) Woodward, 1891	Ref: W.N. Eschmeyer, 1998: 2452.

Number of Subtaxa

2025	Available in Systema Naturae 2000	1f;3g;8s; †2f;10g
1989-present	Systema Naturae 2000: 13 May 2025	[1f;3g; †2f]
2018	R. van der Laan: 61	[1f; †2f]
2017	R. Betancur-R et al.: 14	[1f]
2016	J.S. Nelson et al.: 137	[1f]
2004-2016	W.N. Eschmeyer: 24 Jan 2006	[1f]
2011	W.N. Eschmeyer & J.D. Fong: 27	1f
2010	E.O. Wiley & G.D. Johnson: 131	2f;[2g]
2003	W.E. Bemis: 24 Jun 2003	[2f;2g; †9g]
1998	W.N. Eschmeyer	1f